Objects in the image:
category: bus
category: car
category: car
category: bus
category: car
category: car
category: bus

Guessing-game dialogue about one of the objects:
q: is it a vehicle?
a: Yes
q: is it bus?
a: Yes
q: is it 1714 bus?
a: No
q: is it one going in opposite direction to 1714?
a: No
q: is it the one behind blue car?
a: Yes